OpenTechnical

OT-2026-000035581

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000035581) never changes.

Identity and time

Publication numberOT-2026-000035581 · never reused
Internal UUID01a0ae76-b4c5-73d4-a459-2acc7a0036f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035581
StatusPUBLIC

Content hashes

Canonical text18e934908d498914807f4a29fa31a278d59729cf6b4551fecd129e981b0e12fe
Markdown9976324d0792ea684ac963ca01be451461eb996e601501ffcb5fd7f763160ce2
PDF
Publication page11eb2344584b591699bf52591bb67ebad8e870be4fbea0077638c99ffaec2ded
Manifestf5dc0bf36214439f78b42dd1ddc15388f3853ddd3a2fc16e256d75a7752789f6

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturezpyme88jBaPeYJubH/MH7lQZdi218kfkU9J8Htmy65bDT1Cyorc2gAs+TsIvtaobQdvINgYqykwXCYouGkSaCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:27:06.344487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035581
observed 11eb2344584b591699bf52591bb67eba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:06.325172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035581/manifest.json
observed f5dc0bf36214439f78b42dd1ddc15388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:06.302938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035581/publication.md
observed 9976324d0792ea684ac963ca01be4514...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:06.281488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035581/publication.txt
observed 18e934908d498914807f4a29fa31a278...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.